Update python matrix (add 3.10, 3.11, 3.12 - drop 3.7)

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.8, 3.9, '3.10', 3.11, 3.12]
 
     steps:
     - uses: actions/checkout@v3

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
     rev: v3.15.0
     hooks:
       - id: pyupgrade
-        args: ["--py37-plus"]
+        args: ["--py38-plus"]
   - repo: https://github.com/PyCQA/isort
     rev: 5.12.0
     hooks:

news/python-update

@@ -0,0 +1,19 @@
+### Enhancements
+
+* Added formal support for Python 3.10, 3.11, and 3.12
+
+### Bug fixes
+
+* <news item>
+
+### Deprecations
+
+* Removed formal support for Python 3.7
+
+### Docs
+
+* <news item>
+
+### Other
+
+* <news item>

setup.py

@@ -24,7 +24,7 @@
     entry_points={"console_scripts": ["cph=conda_package_handling.cli:main"]},
     keywords="conda-package-handling",
     classifiers=["Programming Language :: Python :: 3"],
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     install_requires=["conda-package-streaming >= 0.9.0"],
     extras_require={
         "docs": ["furo", "sphinx", "sphinx-argparse", "myst-parser", "mdit-py-plugins>=0.3.0"],

tests/memory_test.py

@@ -1,6 +1,7 @@
 """
 Simple test for evaluating zstandard binding memory usage.
 """
+
 import io
 import sys
 

tests/test_degraded.py

@@ -6,6 +6,7 @@
 import importlib
 import subprocess
 import sys
+import warnings
 
 
 def test_degraded():
@@ -17,21 +18,28 @@ def test_degraded():
         # this is only testing conda_package_handling's code, and does not test
         # that conda_package_streaming works without zstandard.
 
-        import conda_package_handling.api
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter("always")  # Ensure warnings are sent
+            import conda_package_handling.api
 
-        importlib.reload(conda_package_handling.api)
+            importlib.reload(conda_package_handling.api)
 
-        assert conda_package_handling.api.libarchive_enabled is False
+            assert len(w) == 1
+            assert issubclass(w[-1].category, UserWarning)
+            assert "zstandard" in str(w[-1].message)
+            assert conda_package_handling.api.libarchive_enabled is False
 
     finally:
         sys.modules.pop("zstandard", None)
         sys.modules.pop("conda_package_handling.conda_fmt", None)
         sys.modules.pop("conda_package_streaming.transmute", None)
-        import conda_package_handling.api
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter("always")  # Ensure warnings are sent
+            import conda_package_handling.api
 
-        importlib.reload(conda_package_handling.api)
-
-        assert conda_package_handling.api.libarchive_enabled is True
+            importlib.reload(conda_package_handling.api)
+            assert len(w) == 0
+            assert conda_package_handling.api.libarchive_enabled is True
 
 
 def test_degraded_subprocess():